| 摘要 |
PURPOSE: A micro-needle roller is provided to vary the punching position of a micro-hole to improve operation effect and to re-use a handle. CONSTITUTION: A micro-needle roller comprises the following units. A handle includes a supporter for the assembly with a roller base. The roller base(20) is located on the supporter of the handle. A plurality of disk rotators(30) are molded with a disk with a plurality of needles thereon in one body. The disk rotators are installed on the roller base and rotate. A washer(50) is located in a washer groove and rotates. A rotating shaft(60) penetrates through the disk rotator and washer. |
